baber/WOPTO huggingface dataset:
Patent JP-2023060710-A (JP)
Title: Storage water heater
Inventor: NISHINO SHUNSUKE
IPC: F24H15/212
Filed: 2021-10-18
Abstract: To provide a storage water heater advantageous to suppression of purchase of electric power.SOLUTION: A storage water heater can execute a boiling-up operation for storing hot water in a hot water storage tank and is used together with a private power generator. The storage water heater includes means for grasping surplus electric power that is a value obtained by subtracting self-consumed electric power from generated electric power by using the private power generator. When the surplus electric power becomes equal to or greater than a first predetermined value that is 0 or greater, the boiling-up operation is started, and when the surplus electric power becomes equal to or smaller than a second predetermined value that is 0 or greater, the boiling-up operation is stopped.SELECTED DRAWING: Figure 2
Patent JP-2023062274-A (JP)
Title: Developing device and image forming apparatus
Inventor: SHIMIZU KAZUKI
IPC: G03G15/09
Filed: 2021-10-21
Abstract: To provide a developing device that can suppress deterioration of toner with a simple configuration regardless of a type of developer, and an image forming apparatus.SOLUTION: A developing device 100 has a developing roller 203 that conveys developer in a magnetically attracted state, and a nap height regulation member 201 that regulates a height of the nap of the developer carried by the developing roller. The developing device comprises: an upstream side regulation member 202 that is disposed on an upstream side of the nap height regulation member in a conveyance direction of the developer and regulates an amount of developer transported to the nap height regulation member; a housing that accommodates the developing roller, nap height regulation member, and upstream side regulation member; and a support member 500 that supports the nap height regulation member and upstream side regulation member. The developing device is provided with a reflux path that causes the developer the conveyance of which is inhibited by the nap height regulation member to reflux to the upstream side of the upstream side regulation member in the conveyance direction through a space between the nap height regulation member and the upstream side regulation member. The support member is a separated body from the housing.SELECTED DRAWING: Figure 6
Patent JP-2023064535-A (JP)
Title: Foldable chair
Inventor: MORITA RYOGO
IPC: A47C3/04
Filed: 2021-10-26
Abstract: To provide a foldable chair having a simple design and excellent support stability of a seat.SOLUTION: A chair comprises a seat 1, a leg device 2 and a backrest 3. The leg device 2 is a four-leg type having horizontal upper frames 6, and the rear parts of the left and right upper frames 6 are connected by a beam material 8. The upper frames 6 are hidden below the seat 1, and the seat 1 is rotatably connected to a support bracket 29 disposed in the beam material 8. The chair can be used anywhere without discomfort due to that a member for folding is not viewed in a state that the seat 1 is leaned, and a four-leg type design is simple. The front and back two parts of the seat 1 are supported by the left and right upper frames 6 in a state that both ends are supported so as to secure high support strength without using a member such as a reinforcement frame.SELECTED DRAWING: Figure 1
Patent JP-2023064984-A (JP)
Title: Image formation device, image formation system, and image formation method
Inventor: TAKAMIZAWA TAKUMA
IPC: G03G21/00
Filed: 2021-10-27
Abstract: To provide an image formation device, an image formation system, and an image formation method which can reduce spoiled paper and labor due to printing and colorimetry of a chart for adjusting output characteristics of the image formation device.SOLUTION: An image formation device includes: a gradation correction part for correcting a gradation value of input image data using a gradation correction table; a gradation correction table correction part for correcting the gradation correction table on the basis of a colorimetry value of a chart for gradation correction to be output as an image by the image formation part, and preset target output characteristics; output characteristic prediction part for predicting output characteristics of the image of the image formation part, on the basis of the colorimetry value associated with a predetermined range of environmental information with current environmental information as a reference, in environmental information in colorimetry accumulated in a data accumulation part, when the chart for gradation correction is output as an image; and an output characteristic adjustment part for adjusting output characteristics of the image of the image formation part when the predicted output characteristics are lower than the target output characteristics.SELECTED DRAWING: Figure 3
Patent JP-2023066815-A (JP)
Title: Seal jig for tac welding, seal jig for final welding, and welding seal jig set
Inventor: TAKIGUCHI SHOGO
IPC: B23K9/035
Filed: 2021-10-29
Abstract: To provide a seal jig for tack welding that can safely perform tack welding without human intervention and can reduce consumption of inert gas.SOLUTION: A seal jig for tack welding includes a fitting member 2 comprising a rectangular plate which is fitted in a groove 102 between materials 101 to be welded, and at least four nut rows 3. The nut rows are located so as to be orthogonal to the fitting member 2, a front upper part of the fitting member 2 is fitted and fixed between innermost two nut pairs of the nut rows 3, a handle 6 with a weight member 7 is fixed to a rear upper part of the fitting member 2, a pair of headed bolts 4A, 4B can engage with outermost two nut pairs of the nut rows 3, and a rectangular back seal container 8 with a shallow bottom, which comprises four side walls and an upper surface opening part, is fixed to a front lower part of the fitting member 2. A porous sheet 80 is installed in the upper surface opening part, and an inert gas pipe 81, which communicates with the interior of the container, is connected to any part other than the side walls on a side, on which the fitting member 2 is installed, of four side walls.SELECTED DRAWING: Figure 1
Patent JP-2023067010-A (JP)
Title: System for supplying molten steel and continuous casting method of steel
Inventor: TSURUKAWA YUICHI
IPC: B22D41/58
Filed: 2021-10-29
Abstract: To provide a system for supplying molten steel, in which, when molten steel is supplied from one vessel to another vessel through a nozzle, bubbles introduced into the molten steel in the nozzle can be prevented from leaving the nozzle, and the generation of bare hot water in the other vessel can be suppressed.SOLUTION: In a system of supplying molten steel 105 from a first vessel 101 to a second vessel 102 through a nozzle 110, the nozzle has an inlet 110a on the upstream side of the first vessel and an outlet 110b on the downstream side of the second vessel, and extends downward from the upstream side to the downstream side. The outlet of the nozzle is located below the liquid level of the molten steel supplied to the second vessel and above a bottom surface 102a of the second vessel. In the supply system, a flow rate Q (ton/min) of molten steel flowing inside the nozzle, the minimum inner diameter of the nozzle D1 (mm) upstream from the outlet, and the inner diameter of the nozzle D2(mm) at the outlet satisfy a prescribed relational expression.SELECTED DRAWING: Figure 3
Patent JP-2023067130-A (JP)
Title: chain
Inventor: OHATA TOSHIKAZU
IPC: F16G5/18
Filed: 2021-10-29
Abstract: To provide a chain with high quietness.SOLUTION: A chain includes a plurality of first and second links, and a plurality of pins for alternately connecting the plurality of first and second links. The plurality of pins include a first pin 231a, a second pin 232a, and a third pin 232b arranged in an advancing direction TD of the chain. When an offset amount between a contact point 500 where contact with a pulley on an end surface of the first pin 231a is initiated and a center 231C of the first pin 231a is a first offset amount X1 and an offset amount between a contact point 510 where contact with the pulley on an end surface of the second pin 232a is initiated and a center 232C of the second pin 232a is a second offset amount X2, the first offset amount X1 and the second offset amount X2 are different from each other.SELECTED DRAWING: Figure 8
Patent JP-2023068239-A (JP)
Title: Base isolation system
Inventor: KITAJIMA TAKEHARU
IPC: F16F15/02
Filed: 2021-11-02
Abstract: To provide a base isolation system for a wooden construction housing in a simpler structure than previous ones and at lower cost.SOLUTION: A wooden construction housing supports a wooden structural body of an upper structure by a lower structural body mainly composed of base concrete, wherein a sliding support structure is arranged on an upper part of the base concrete, and an upper surface of the sliding support structure contacts and supports a base isolation cradle of a lower part of the wooden construction housing. Coefficients of static friction between sections relating to the contacting and supporting are adjusted, and upon an earthquake equal to or greater than a predetermined intensity, a base slides on the supporting structure to generate relative positional displacement, so that earthquake energy is absorbed for base isolation. The defection generated through the base displacement is off-set with horizontal displacement force caused by motion of the base position adjustment system.SELECTED DRAWING: Figure 1
Patent JP-2023068315-A (JP)
Title: Image defect determination device
Inventor: NAGAMATSU YUICHI
IPC: A61B6/00
Filed: 2021-11-02
Abstract: To quickly and surely detect an image quality defect of a moire image due to a phenomenon unique to an X-ray phase contrast method.SOLUTION: An image defect determination device comprises: an output unit which outputs an X-ray absorption image, a differential phase image and a visibility image from a first moire image captured by an imaging device; a calculation unit which calculates a second moire image with the output X-ray absorption image, differential phase image and visibility image as an input; a difference information calculation unit which calculates information about a difference between the first moire image and the second moire image; and a defect determination unit which determines that the first moire image is defective when the information about the difference exceeds a threshold.SELECTED DRAWING: Figure 1
Patent JP-2022028709-A (JP)
Title: Pedal operation state display device
IPC: B60R16/02
Filed: 2021-11-02
Abstract: PROBLEM TO BE SOLVED: To provide a pedal operation state display device capable of displaying or electronically recording operation states of an accelerator pedal and a brake pedal to prevent an accident due to erroneous stepping of the accelerator pedal or the brake pedal. 
     SOLUTION: A pedal operation state display device includes: accelerator stepping-on detection means for detecting stepping-on of an accelerator pedal and outputting the accelerator stepping-on data; brake stepping-on detection means for detecting the stepping-on of the brake pedal and outputting the brake stepping-on data; an accelerator pilot lamp controlled to be lighted by controlling an accelerator stepping-on switch on the basis of the accelerator stepping-on data; a brake pilot lamp controlled to be lighted by controlling a brake stepping-on switch on the basis of the brake stepping-on data; a memory unit for recording the accelerator stepping-on data and the brake stepping-on data; and a collision sensor for detecting a collision. The pedal operation state display device determines whether to record the accelerator stepping-on data and the brake stepping-on data in the memory unit on the basis of an output from the collision sensor. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022107507-A (JP)
Title: Cooking utensil with double folding
Inventor: AHN HYE SUNG
IPC: A47J45/06
Filed: 2021-11-05
Abstract: To provide a cooking utensil with double folding.SOLUTION: Disclosed is a cooking utensil with double folding. More specifically, the cooking utensil includes: a body part 200 of which one of cooking utensils such as scoops, forks, spoons, turners, ladles and cooking spoons is selectively formed from an end; a handle part 300; and a rotating part 400 which includes at least two or more holes formed in one side and the other side thereof so that one end is connected to a first rack portion and the other end is connected to a second rack portion to be doubly foldable.SELECTED DRAWING: Figure 1
Patent JP-2023069647-A (JP)
Title: Ceiling material and ceiling structure having the same
Inventor: KISHIDA YASUHIRO
IPC: E04B1/86
Filed: 2021-11-08
Abstract: To provide a ceiling structure with excellent sound absorption property and excellent workability.SOLUTION: A ceiling material comprises a first plate material 10 with sound absorption property having insertion holes Hac and Had penetrating in a thickness direction or a recess part C opened to one side in the thickness direction and a second plate material 20 with sound absorption property adhered to one surface side of the first plate material 10 and having an insertion hole Hb penetrating in the thickness direction or a recess part opened to one side in the thickness direction.SELECTED DRAWING: Figure 4
Patent JP-2023070969-A (JP)
Title: Light source device and image projection device
Inventor: NODA TOSHIYUKI
IPC: F21S2/00
Filed: 2021-11-10
Abstract: To provide a light source device in which a wavelength conversion unit rotates inside an accommodation member, and which efficiently radiates heat inside the accommodation member to the outside with low noise.SOLUTION: A light source device 1 has: a wavelength conversion unit 14 that has a rotatable substrate 14a, and a wavelength conversion element 14b provided on the substrate and converting light from a light source 11 into light different in wavelength from the light; and an accommodation member 16 that accommodates the wavelength conversion unit. The accommodation member is provided, on an inner surface facing the wavelength conversion unit, with first convex parts 16aF1 extending in the direction of rotation of the wavelength conversion unit and second convex parts 16aF2 extending in a direction intersecting the rotation direction on an inner peripheral side relative to the first convex parts.SELECTED DRAWING: Figure 1
Patent JP-2023073158-A (JP)
Title: Semiconductor device
Inventor: TADOKORO MUNEAKI
IPC: H01L21/822
Filed: 2021-11-15
Abstract: To provide a technology capable of controlling a current variation volume to an optimum width (value) in a minimum time period when transiting from an ordinary operation state to a standby mode or when returning from the standby mode to the ordinary operation mode.SOLUTION: A semiconductor device includes a control circuit which suppresses a current variation caused by on and off of a constant current source at transition to a standby mode. The control circuit has a function to predict a current variation volume from register information and current profile information. The control circuit has a function to optimize a one-time control quantity and the number of controlling of the constant current source on the basis of the predicted current variation volume.SELECTED DRAWING: Figure 5
Patent JP-2023075603-A (JP)
Title: Sheet carrier
Inventor: FUJITA AYUMI
IPC: B65H3/06
Filed: 2021-11-19
Abstract: To reduce the occurrence of jamming while maintaining read efficiency without using complicated control or configurations.SOLUTION: A sheet carrier comprises a sheet rest 1 on which a plurality of sheets are stacked, a feed roller 6 that feeds a sheet stacked on the sheet rest 1, a separation roller 7 that is arranged opposed to the feed roller 6 and forms a nip with the feed roller 6, and a pickup roller 4 that is arranged upstream of the feed roller 6 and picks up an uppermost sheet on the sheet rest 1 toward the feed roller 6. When a sheet picked up by the pickup roller 4 arrives at a nip portion of the feed roller 6 and the separation roller 7, the pickup roller 4 is rotated reverse to a transport direction of the sheet.SELECTED DRAWING: Figure 5
Patent JP-2023083050-A (JP)
Title: Manufacturing method of transformer and box
Inventor: SHINONAGA YUJI
IPC: H01F27/02
Filed: 2021-12-03
Abstract: To provide a transformer capable of easily manufacturing a box into which a part of an iron core is inserted, and a method for manufacturing the box.SOLUTION: In a transformer 1, a coil is wound around an iron core 2. The upper part and the lower part of the core 2 are inserted into an upper box 4 and a lower box 5 with one side open. A left wall 43 of the upper box 4 and a left wall 53 of a lower box 5 are connected by a left connecting plate 60. A right wall 44 of the upper box 4 and a right wall 54 of the lower box 5 are connected by a right connecting plate 61. The left connecting plate 60 faces the right connecting plate 61. At least one of the upper box body 4 and the lower box body 5 is formed by processing one sheet of metal plate.SELECTED DRAWING: Figure 1
Patent JP-2023084800-A (JP)
Title: Work instruction communication system
Inventor: UEDA TATSUYA
IPC: G06Q50/04
Filed: 2021-12-08
Abstract: To provide a work instruction communication system capable of suppressing an increase in communication network load when transmitting data for displaying work instruction contents to a communication terminal assigned to a worker.SOLUTION: In a work instruction communication system, a server stores a plurality of work procedure data showing a work procedure per work item and work implementation order data showing assignment of work items implemented by each operator during a first period and a work implementation order, transmits work implementation order data for an operator to a communication terminal during a second period before the first period, estimates work items to be possibly implemented by the operator during a third period before the second period, and transmits work procedure data corresponding to the work items to be possibly implemented by the operator to the corresponding communication terminal. A processor of the communication terminal associates work procedure data corresponding to the work items assigned in the received work implementation order data with the work implementation order data and creates work instruction data.SELECTED DRAWING: Figure 3
Patent JP-2022037065-A (JP)
Title: Penetration electrode substrate
IPC: H01L23/12
Filed: 2021-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a penetration electrode substrate which can prevent falling off of a filler in a through hole. 
     SOLUTION: A penetration electrode substrate includes a substrate having a through hole penetrating through a first opening of a first surface and a second opening of a second surface, a filler provided inside the through hole, and an insulating resin layer which overlaps the through hole in plan view, and comes in contact with the filler exposed to at least one of the first surface and the second surface. The second opening is larger than the first opening, and a minimum opening having a smallest area in plan view exists between the first opening and the second opening. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023085736-A (JP)
Title: Device and method for winding hose
Inventor: NAKAZAWA TOMOKI
IPC: B65H55/04
Filed: 2021-12-09
Abstract: To provide a device and method for winding a hose allowed to efficiently perform winding of a hose onto a drum body and inhibit a hose wound up on the drum body from disordering in winding more positively.SOLUTION: A hose winder 1 of a turret type comprises drum bodies 4A, 4B attached at longitudinal both ends of an arm 2 and respective exclusive rotating motors 6a, 6b therefor attached on the arm 2, so as to vertically swivel the arm 2 about a swivel shaft 2a using a swiveling motor 3. By controlling the rotating motor 6a through a control unit 9 such that relative rotation of the drum body 4A about a rotation shaft 5a is not allowed during a movement of the drum body 4A on which the hose H is wound up from a winding position P1 to a removal position P2, a drum circumferential position of a terminal end He of the hose H wound up on the drum body 4A is maintained at a predetermined position, thereby inhibiting the hose H from disordering in winding.SELECTED DRAWING: Figure 7
Patent JP-2022033165-A (JP)
Title: Element unit
IPC: H02M3/155
Filed: 2021-12-14
Abstract: PROBLEM TO BE SOLVED: To provide an element unit suitable for a switching circuit device or the like. 
     SOLUTION: A step-down DC-DC converter 10 includes a switching circuit unit 11 and a smoothing circuit 14. The switching circuit unit 11 includes: a high-side switching element circuit 23; a low-side switching element circuit 24; a high-side drive circuit 25; and a low-side drive circuit 26. The high-side switching element circuit 23 is composed of high-side switching elements M1 and M2 of an n-type MOSFET connected in series. The low-side switching element circuit 24 is composed of low-side switching elements M3 and M4 of the n-type MOSFET. A vertical BC-MOSFET is used as the high-side switching elements M1 and M2. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023089571-A (JP)
Title: game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2021-12-16
Abstract: To provide a game machine capable of updating an appropriate random number value.SOLUTION: A random number for winning patterns and a random number for normal pattern winning patterns can be updated within each update range by common update processing, such as initial value change random number update processing P_RANCP that is called and can be executed by random number update processing P_RANDOM. For a random number for a normal pattern winning pattern, the total number of random number values included in an update range becomes a prime number. Therefore, for at least one random number value that can be updated by common update processing, the total of the random number values included in the update range is a prime number. A performance control CPU 120 displays a first background display 004SG081 during a first customer-waiting period (first period) after completion of a game (stop display of a variable display) in a low-base state and displays a demonstration movie during a second customer-waiting period (second period) after completion of the first customer-waiting period.SELECTED DRAWING: Figure 10-12
Patent JP-2023090235-A (JP)
Title: Carbon dioxide recovery apparatus
Inventor: OTAKE REO
IPC: B01D53/83
Filed: 2021-12-17
Abstract: To suppress deviation of a gaseous flow that has flowed out to an adsorption layer of carbon dioxide.SOLUTION: A carbon dioxide recovery apparatus comprises an inner tube, an outer tube, an adsorption layer, and a rotary part. The rotary part makes the outer tube rotate relative to the inner tube. The inner tube includes an inner tube communication part. The inner tube communication part has a plurality of inner tube holes arrayed at an interval in the circumferential direction. The outer tube includes an outer tube communication part. The outer tube communication part has a plurality of outer tube holes arrayed at an interval in the circumferential direction. In the inner tube communication part and the outer tube communication part, at least two out of the plurality of inner tube holes overlap any of the outer tube holes at least once in a rotational period.SELECTED DRAWING: Figure 5